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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright (C) 2011 The Android Open Source Project</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * You may obtain a copy of the License at</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *      http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * limitations under the License.</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#ifndef SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#define SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> * If the HAL needs to create service threads to handle graphics related</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> * tasks, these threads need to run at HAL_PRIORITY_URGENT_DISPLAY priority</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> * if they can block the main rendering thread in any way.</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"> * the priority of the current thread can be set with:</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> *      #include &lt;sys/resource.h&gt;</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment"> *      setpriority(PRIO_PROCESS, 0, HAL_PRIORITY_URGENT_DISPLAY);</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#define HAL_PRIORITY_URGENT_DISPLAY     (-8)</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="keyword">enum</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;{</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    HAL_PIXEL_FORMAT_RGBA_8888          = 1,</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    HAL_PIXEL_FORMAT_RGBX_8888          = 2,</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    HAL_PIXEL_FORMAT_RGB_888            = 3,</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    HAL_PIXEL_FORMAT_RGB_565            = 4,</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    HAL_PIXEL_FORMAT_BGRA_8888          = 5,</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    HAL_PIXEL_FORMAT_RGBA_5551          = 6,</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    HAL_PIXEL_FORMAT_RGBA_4444          = 7,</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment">//    HAL_PIXEL_FORMAT_BGRX_8888    = 0x8000,</span></div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    HAL_PIXEL_FORMAT_BGRX_8888      = 0x1ff,</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="comment">/* 0x8 - 0xFF range unavailable */</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="comment">/*</span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">     * 0x100 - 0x1FF</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment">     *</span></div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment">     * This range is reserved for pixel formats that are specific to the HAL</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment">     * implementation.  Implementations can use any value in this range to</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment">     * communicate video pixel formats between their HAL modules.  These formats</span></div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment">     * must not have an alpha channel.  Additionally, an EGLimage created from a</span></div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">     * gralloc buffer of one of these formats must be supported for use with the</span></div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment">     * GL_OES_EGL_image_external OpenGL ES extension.</span></div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment">     */</span></div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="comment">/*</span></div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment">     * Android YUV format:</span></div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment">     *</span></div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="comment">     * This format is exposed outside of the HAL to software decoders and</span></div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment">     * applications.  EGLImageKHR must support it in conjunction with the</span></div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment">     * OES_EGL_image_external extension.</span></div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment">     *</span></div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">     * YV12 is a 4:2:0 YCrCb planar format comprised of a WxH Y plane followed</span></div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">     * by (W/2) x (H/2) Cr and Cb planes.</span></div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">     *</span></div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">     * This format assumes</span></div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment">     * - an even width</span></div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment">     * - an even height</span></div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment">     * - a horizontal stride multiple of 16 pixels</span></div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment">     * - a vertical stride equal to the height</span></div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment">     *</span></div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment">     *   y_size = stride * height</span></div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment">     *   c_stride = ALIGN(stride/2, 16)</span></div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="comment">     *   c_size = c_stride * height/2</span></div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment">     *   size = y_size + c_size * 2</span></div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment">     *   cr_offset = y_size</span></div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment">     *   cb_offset = y_size + c_size</span></div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment">     *</span></div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment">     */</span></div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    HAL_PIXEL_FORMAT_YV12   = 0x32315659, <span class="comment">// YCrCb 4:2:0 Planar</span></div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="comment">/*</span></div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="comment">     * Android RAW sensor format:</span></div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment">     *</span></div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment">     * This format is exposed outside of the HAL to applications.</span></div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment">     *</span></div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment">     * RAW_SENSOR is a single-channel 16-bit format, typically representing raw</span></div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment">     * Bayer-pattern images from an image sensor, with minimal processing.</span></div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment">     *</span></div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="comment">     * The exact pixel layout of the data in the buffer is sensor-dependent, and</span></div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="comment">     * needs to be queried from the camera device.</span></div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="comment">     *</span></div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="comment">     * Generally, not all 16 bits are used; more common values are 10 or 12</span></div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="comment">     * bits. All parameters to interpret the raw data (black and white points,</span></div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="comment">     * color space, etc) must be queried from the camera device.</span></div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="comment">     *</span></div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="comment">     * This format assumes</span></div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="comment">     * - an even width</span></div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="comment">     * - an even height</span></div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="comment">     * - a horizontal stride multiple of 16 pixels (32 bytes).</span></div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="comment">     */</span></div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    HAL_PIXEL_FORMAT_RAW_SENSOR = 0x20,</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="comment">/* Legacy formats (deprecated), used by ImageFormat.java */</span></div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    HAL_PIXEL_FORMAT_YCbCr_422_SP       = 0x10, <span class="comment">// NV16</span></div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    HAL_PIXEL_FORMAT_YCrCb_420_SP       = 0x11, <span class="comment">// NV21</span></div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    HAL_PIXEL_FORMAT_YCbCr_422_I        = 0x14, <span class="comment">// YUY2</span></div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    <span class="comment">/* suport for YUV420 */</span></div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    HAL_PIXEL_FORMAT_JZ_YUV_420_P       = 0x47700001, <span class="comment">// YUV_420_P</span></div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    HAL_PIXEL_FORMAT_JZ_YUV_420_B       = 0x47700002, <span class="comment">// YUV_420_P BLOCK MODE</span></div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;};</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="keyword">enum</span></div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;{</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <span class="comment">/* flip source image horizontally (around the vertical axis) */</span></div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    HAL_TRANSFORM_FLIP_H    = 0x01,</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="comment">/* flip source image vertically (around the horizontal axis)*/</span></div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    HAL_TRANSFORM_FLIP_V    = 0x02,</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="comment">/* rotate source image 90 degrees clockwise */</span></div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    HAL_TRANSFORM_ROT_90    = 0x04,</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="comment">/* rotate source image 180 degrees */</span></div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    HAL_TRANSFORM_ROT_180   = 0x03,</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <span class="comment">/* rotate source image 270 degrees clockwise */</span></div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    HAL_TRANSFORM_ROT_270   = 0x07,</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;};</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;}</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* SYSTEM_CORE_INCLUDE_ANDROID_GRAPHICS_H */</span><span class="preprocessor"></span></div></div><!-- fragment --></div><!-- contents -->
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